Home / 2,875.10-4,302.74-1,763.78

Finding the Fourth Proportional to 2,875.10, 4,302.74 and 1,763.78

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Solution

The fourth proportional to 2,875.10, 4,302.74 and 1,763.78 is: 2,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.10 : 4,302.74 = 1,763.78 : x
  2. Step 2: Convert to fraction form
    2,875.10/4,302.74 = 1,763.78/x
  3. Step 3: Cross multiply
    2,875.10x = 4,302.74 × 1,763.78
  4. Step 4: Simplify right side
    2,875.10x = 7,589,086.76
  5. Step 5: Solve for x
    x = 7,589,086.76/2,875.10
  6. Step 6: Final answer
    x = 2,639.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.